Reduction gear



1. Reduction gear

FIG. 1.1 is a first perspective view of a reduction gear showing my new design;

FIG. 1.2 is a second perspective view thereof;

FIG. 1.3 is a top view thereof;

FIG. 1.4 is a front view thereof;

FIG. 1.5 is a bottom view thereof;

FIG. 1.6 is a back view thereof;

FIG. 1.7 is a left side view thereof; and

FIG. 1.8 is a right side view thereof. 

CLAIM The ornamental design for a reduction gear, as shown and described. 